The presence of radioactivity in uranium mill wastes has resulted in somewhat unique waste disposal methods. In addition to the common problems of disposing of
Many factors, some of which are not easily defined or described, must be considered in the design of a hydraulic backfill system. After participating in
This article discusses the effect of physical and chemical modifications of starches on the anionic and cationic flotation of silica from oxidized iron ores and
Metallic displacement-type silver recovery units are economical and practical for use by either large- or small-scale photographic processors. Most photographic processors could significantly increase their
The mining of taconite, to provide feed for a processing plant, requires that the flow of material continue uninterrupted. This means first, that the crude
The first step in the quarrying of granite, following removal of any overburden material, involves the freeing of large blocks from the formation. For many
Following the wide-spread acceptance of ANFO as a useful, low cost blasting agent, studies have been made to adequately describe the physical and explosive properties
There used to be a time when bins were designed for total volume and placed in any available place of the plant. Poke holes were
Oxidation potentials have been measured in the presence of various concentrations of cyanide, ferrocyanide, and ferricyanide and ethyl xanthate at various values of pH and
Accurate and economic control of line and grade on long tunnels, large structures, excavations and waterways, has been a problem to surveyors and engineers for